What two numbers multiply to -387 and add up to 34?




Here we answer the question: "What two numbers multiply to -387 and add up to 34?"

The answer to your question is:

-9 and 43


Below we illustrate and prove that -9 and 43 multiply to -387 and add up to 34:

-9 × 43 = -387
-9 + 43 = 34

Are you asking because you are trying to figure out how to factor the following quadratic equation?

x2 + 34x - 387 = 0

If so, the solution to factor the quadratic equation above is:

(x - 9 ) (x + 43)

To summarize, since -9 and 43 multiply to -387 and add up 34, you know that the following is true:

x2 + 34x - 387 = (x - 9 ) (x + 43)


Multiply To One Number and Add Up To Another
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